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Stereo multiband master compressor

• Three Compressor bands per channel
• Variable X-over networks between the bands
• Adjustable Ratio, Threshold, Attack, Release and Output per band
• Separate side chain per band (but channels 1 and 2 are joint)
• The SMC 2A can also be used as a 3-band equalizer

COMPRESSOR CONTROLS:

RATIO: The ratio control varies the ratio by which the input signal is compressed.

If the ratio selected is 2:1, and the input signal increases 10 dB, the output

signal is only increased by 5 dB.

The ratio control is continuously variable from 1,5:1 to 10:1.

THRESHOLD: The threshold is the point where the compressor begins to respond.

It is defined as the point where the gain is reduced by 1 dB.

The threshold is continuously variable from off to -20 dBU.

ATTACK: The attack control chooses how fast/slow the compressor responds to an

increase in the input signal.

The attack control is continuously variable from 3 to 200 milliseconds.

RELEASE: The release control chooses how fast/slow the compressor responds to a

decrease in the input signal.

The release control is continuously variable from 0,06 to 2 seconds.

COMP in/out: This switch controls a relay that bypasses the whole unit

OUTPUT GAIN:

The gain control is used to "make up" for the gain loss, which takes place

when the unit is compressing. The gain control is continuously variable

from off to +10 dB.

BALANCE:

The balance control is used to compensate for the difference between

channel 1 and channel 2. The balance control has a range of +/- 1,5dB.